what's this command mean?

[adamogardner]

ps h -eo pmem,comm | sort -nr | head
I only need the pmem,comm I have the rest figured out, but if you want to explain it all that's cool too. But specifically what is the pmem,comm option/argument?

[LowSky]

http://www.pmem.net/

pmem - Process Memory Information
pmem is a small command line utility for all Linux und Unix operating systems to display memory information of running processes. To do this, pmem reads the memory information that are provided by the /proc file systems. Therefore, pmem does not work on operating systems that do not maintain this files system